Просмотр

What's Powder Coating Equipment?

It's a type of coating equipment which enables in applying powder. Powder coating equipment does not involve solvents in their processes. The coating is conducted electrostatically and is also then passed under heat, allowing the powder circulate and form a "skin". It could be a thermoset polymer or perhaps a thermoplastic. Generally, it can be employed to give a hard finish which can be harder than the conventional point which was formerly used. The key reason for using this products are for coating metals, for example bicycle parts, household appliances, aluminium extrusions and more.

Advantages

Few features of powder coating are mentioned below:

- Emission Of Chemical toxins Are Reduced By Coating The Metals 
- It makes Much Thicker Coating As compared with Traditional Liquid Coating 
- It Can Be Recycled, Facilitating 100% Reusability In the Substance 
- Produces More reliable Waste As Compared To Traditional Using Liquid 
- Lesser Operating Cost Than Liquid Lines

Procedure for Powder Coating

The Powder Coating Equipment work in following basic processes:

- Part Preparation Or The Pre-Treatment 
- The Powder Application 
- Curing

Processes And Equipment Of Part Preparation

Prior to powder coating process removing lubrication grease, metal oxides, mud, oil etc are necessary. There are many chemical as well as mechanical methods of removing these substances from your metal surface. The technique is dependent upon the performance dependence on the end product. In spray application process, chemical pre-treatments involve the usage of chromates and phosphates. Phosphating and chromating in the substrate exist in multiple stage. Bonding from the powder to the metal involves cleaning within the pre-treatment process. Sand Blasting is an yet another way of preparing the counter just before coating. It is used to provide finishing, etching, surface texturing and preparation and degreasing for products made from wood, glass, or plastic. Different powder coating applications can require other methods of preparation including abrasive blasting prior to coating. The internet consumer market typically offers media blasting services as well as their coating services at additional costs.

Commonly electrostatic gun or corona gun can be used for utilizing the powder coating to metal objects. Here, lets discuss the working of electrostatic gun. Negative electric charge is imparted towards the powder. The negatively charged powder will then be sprayed towards grounded object by mechanical or compressed air spraying equipment. It is then accelerated towards the workpiece by the powerful electrostatic charge. The object is then heated, as well as the powder melts in a uniform film, and is also then cooled to create a hard coating. To attain more uniform finish preheating might help but problems can be created as runs a result of excess powder.

Tribo gun may be the second form of gun which is used to spray powder on metal surfaces. The powder is first charged by triboelectric friction and these charged powder particles then follow the grounded substrate. It takes a different formulation of powder with respect to corona guns.

Fluidized bed method could also be used for Powder coating. To start with the substrate is heated and then it really is dipped into aerated powder-filled bed. Later the powder sticks and melts to the hot object. Most dishwasher racks are coated with this approach to [http://fergusonaekz.bravesites.com/entries/general/uncovering-root-details-for-powder-coating-supplies powder coating supplies].